000 00269nam a2200109Ia 4500
020 _a8185095086
100 _aGupta S K
245 _aLinear programming and network models
260 _c1989
_bAFFILIATED EAST WEST PRESS PVT LTD
_aNew Delhi
300 _a232
942 _cBK
999 _c17095
_d17095